Ring collar



FIG. 1 is a perspective view of a ring collar showing my new design;

FIG. 2 is a rear view thereof;

FIG. 3 is a top view thereof

FIG. 4 is a bottom view thereof;

FIG. 5 is a right side view, the left view is a mirror image thereof; and,

FIG. 6 is a front view thereof depicted on disclaimed bottle.

The broken line showing in FIG. 6 of a disclaimed bottle represents disclaimed subject matter, is for environmental purposes only, and forms no part of the claimed design. 

CLAIM The ornamental design for a ring collar, as shown and described. 